US Bridges

455 Avenue over Ck

Fair

Codington County, South Dakota · 7 N JCT US 212 · Structure no. 000000015190111

Built
1982
43 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
2 main spans
Daily traffic
1,425
2022 count
Owner
County
County Highway Agency

About this bridge

455 Avenue over Ck is a prestressed concrete box beam or girders - multiple carrying 455 Avenue over Ck in Codington County, South Dakota. It was built in 1982, so it is 43 years old, younger than the South Dakota average of 48.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,425 vehicles a day, roughly 2% of them trucks, projected to reach 1,425 by 2032. The structure is 50 ft (15.2 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Carries455 Avenue
CrossesCk
Location7 N JCT US 212
RouteCounty Highway 0
Coordinates44.99127, -97.10606
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span25 ft (7.5 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,425 (2022)
Projected traffic1,425 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 455 Avenue over Ck built?

It was built in 1982, making it 43 years old in 2025.

What condition is 455 Avenue over Ck in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does 455 Avenue over Ck carry?

About 1,425 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 455 Avenue over Ck?

The structure is 50 ft (15.2 m) long with a longest span of 25 ft (7.5 m) and a deck 30 ft wide.

Who owns 455 Avenue over Ck?

It is owned by the County Highway Agency.